Results Two new characterizations of regular rings are given.(1) If R is a left SF'-ring and R/Z is reduced, then R is strongly regular;(2) R is strongly regular if and only if R is a left SF'-ring whose every idempotent element of R is left semi-center and is LANE-ring.

結(jié)果 得到了SF'-環(huán)是強正則環(huán)的兩個充要條件：(1)R是左SF'-環(huán)永久免费网站毛片，如果R/Z是約化的综合网欧美呦呦一区二区，則R是強正則環(huán)免费观看黄网；(2)R是強正則環(huán)當且僅當R是滿足冪等元左半中心的左SF'-環(huán)，且R是LANE-環(huán)韩国精品黄色网站。

At 86 kilometers, the left idler wheel went out of commission, as well as the left drive sprocket (when all the mounting bolts sheared).

在行駛至86公里時欧美亚洲国产aaaaaaaa，左托帶輪失靈，左主動輪也出現(xiàn)故障（所有安裝上的螺栓都斷了）伊人网片毛。

The ability of an impact or ink-jet printer to print from left to right and from right to left.

雙向打印擊打式打印機或噴墨式打印機能夠從左到右中文字幕一区二区在线播放，從右到左打印的能力。

There are higher mortality and more cardiovascular events in the patients with left ventricular hypertrophy than those without and the left ventricular concentric remodeling has proved to be an independent predicting factor to cardiovascular events.

存在左室肥厚的高血壓患者較無肥厚者有較高的心血管事件發(fā)生率和死亡率欧洲熟妇色XXXX欧美在线观看，而左室向心性重構(gòu)是心血管事件的獨立預(yù)報因素欧美国产综合。

Secondly, through the filariasis immune experiment, people improve that the skin is wiped with the levamisole liniment at regular intervals instead of preparing the bacterin for inoculability, levamisole actions of resisting the virus and infection are exerted without the disease when inoculating the pathogeny, and the specificity immune protection is obtained under the pathogeny action, the immune preventive intention is reached just as injecting the bacterin.

二是，經(jīng)絲蟲病免疫實驗證實无码的免费A级毛片视频，不用制苗接種美女隐私都位无遮挡的网站，通過左旋咪唑搽劑定期皮膚涂藥，在接種病原時久久精品毛片，發(fā)揮左旋咪唑抗病毒国产啊V在线视频免费观看、抗感染作用而不發(fā)病，并在病原作用下黄片在线欧美，獲得特異性免疫保護欧美性生活视频高清在线，就像注射疫苗一樣達到免疫預(yù)防的目的。

For ectopic foci in the pulmonary veins and left atrium, the site of conduction block and reentry gradually shifted, as a function of coupling interval, from the right atrium to the interatrial area and finally to the left atrium.

對于位于肺靜脈和左房的異位灶久久久久久久国产精品毛片，由于配對間期的不同欧美页，其發(fā)生傳導(dǎo)阻滯和折返的位置逐漸推移，從右房到房間隔區(qū)域亚洲第大簧片视频天堂，最后到達左房老女人特黄毛片高清视频。

For ectopic foci in the pulmonary eins and left atrium, the site of conduction block and reentry gradually shifted, as a function of coupling interal, from the right atrium to the interatrial area and finally to the left atrium.

對于位于肺靜脈和左房的異位灶，由于配對間期的不同影音av，其發(fā)生傳導(dǎo)阻滯和折返的位置逐漸推移A级野外黄色网，從右房到房間隔區(qū)域，最后到達左房国产操女人。

Results: After treatment, obvious decreases in blood pressure and interventricular septum thickness, left ventricular posterior wall thickness in both group were noted.

結(jié)果兩組經(jīng)治療后均有血壓下降及室間隔厚度2012AV视频中文字幕高清在线中文字幕、左室后壁厚度、左室心肌重量的縮小中文字幕日韩国产精品强奸乱伦。

ResultsThe ultrasonic indicators, such as interventricular septum thickness, left ventricular posterior wall thickness, left ventricular mass and left ventricular mass index were statistically different between the two groups.

結(jié)果OSAHS組與正常對照組比較室間隔厚度爱搞官网，左室后壁厚度，左室質(zhì)量及質(zhì)量指數(shù)等主要反映心臟結(jié)構(gòu)的超聲指標比較差異均有統(tǒng)計學(xué)意義亚洲美女模特一级A片。

Results Stenosis or occlusion of bronchotracheal tree were observed in 5 patients with localized amyloidosis; Among 4 patients with systemic amyloidosis, 3 cases of pulmonary interstitial involvement, 4 cases of pleural thickening, 4 cases of pleural effusion, 3 cases of interventricular septum and ventricular walls thickening , 1 case of pericardial effusion were observed.

結(jié)果 5例局限性病變患者均有氣管支氣管樹的狹窄或閉塞欧美农村A片视频在线看，其中2例分別合并左舌葉與右上葉阻塞性肺不張；4例全身性病變患者中肺間質(zhì)病變3例一级作爱片免费，胸膜增厚4例日韩国产欧美，胸腔積液4例内地自拍，室間隔與左心室肌增厚3例，心包積液1例狼友视屏在线。